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Location:
Sydney
Registered:
November 2004
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Celica Fan always on? (ST162)
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Mon, 01 November 2004 00:30
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Hey all
Got a problem i need to diagnose. The driver's side fan at the back of the radiator of a friend's 88 Celica (ST162) is always on when the ignition is in the "on" position. It's fairly loud and can be heard in the cabin. It seems to be a aircon fan, because it's marked with a "denso aircon" sticker so i think it is. I've removed the relay for A/c fan from the aircon fuse box, and it stops, but i don't think this is very good. The relay was fine from testing it with the multimeter.
I think that i have to replace the refrigerant temperature sensor, but i'm not sure if this needs to be done by an air-con shop because i will lose the gas from the system when i do it. Would i be right with this guess? Also, where is the sensor in the system? Is it in the compressor or the evaporator? Toyota said something about a new temp sensor, i think they said it goes in the TX valve, or it's a new TX valve.
Or i could be completely wrong and the fan should always be on, and perhaps it just needs to be replaced because the bearings are shot (explaining why the damn thing is so loud)
Any ideas?
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